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    • 1. 发明申请
    • SHIFT REGISTER UNIT CIRCUIT, SHIFT REGISTER, ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY
    • 移位寄存器电路,移位寄存器,阵列基板和液晶显示
    • US20120293401A1
    • 2012-11-22
    • US13472868
    • 2012-05-16
    • Tianma LIXiaojing QIHaigang QING
    • Tianma LIXiaojing QIHaigang QING
    • G11C19/00G09G3/36
    • G09G3/3677G09G2300/0408G09G2310/0286G11C19/184G11C19/28
    • Embodiments of the disclosed technical solution provides a shift register unit circuit which operates based on two clock signals and comprises input terminals, a pre-charging circuit, a first level pulling-down circuit, a second level pulling-down circuit and a scan signal output terminal. Embodiments of the disclosed technical solution also provides a shift register having at least two shift register unit circuits connected in cascade, and further provides a liquid crystal display array substrate and a liquid crystal display. Embodiments of the disclosed technical solution settles problems that a threshold voltage of the pulling-down TFT would drift under a direct current bias voltage and a output is unstable due to a clock hopping, increases a reliability of the circuit and reduces power consumption.
    • 所公开的技术方案的实施例提供了一种基于两个时钟信号操作的移位寄存器单元电路,包括输入端子,预充电电路,第一级下拉电路,第二级下拉电路和扫描信号输出 终奌站。 所公开的技术方案的实施例还提供一种移位寄存器,其具有串联连接的至少两个移位寄存器单元电路,并且还提供液晶显示阵列基板和液晶显示器。 所公开的技术方案的实施例解决了下拉TFT的阈值电压在直流偏置电压下漂移并且由于时钟跳变而输出不稳定的问题,增加了电路的可靠性并降低了功耗。
    • 2. 发明申请
    • SHIFT REGISTER UNIT, GATE DRIVING DEVICE AND LIQUID CRYSTAL DISPLAY
    • 移位寄存器单元,门驱动装置和液晶显示器
    • US20120105393A1
    • 2012-05-03
    • US13283718
    • 2011-10-28
    • Wen TANXiaojing QIHaigang QING
    • Wen TANXiaojing QIHaigang QING
    • G09G5/00G11C19/28
    • G09G3/3677G09G2310/0286
    • The present invention provides a shift register unit, a gate driving device and a liquid crystal display, wherein the shift register unit includes a first thin film transistor, a second thin film transistor, a third thin film transistor and a fourth thin film transistor, and further includes a pull-down unit and a driving unit. Since the shift register unit includes the pull-down unit and the driving unit, it is possible to assure that the output gate driving signal keeps at a low level stably when the shift register unit needs to output a low level, and the pull-down unit operates under the driving of an alternating current signal, which can prevent the threshold voltage of the thin film transistor of the pull-down unit from offsetting largely.
    • 本发明提供一种移位寄存器单元,栅极驱动器件和液晶显示器,其中移位寄存器单元包括第一薄膜晶体管,第二薄膜晶体管,第三薄膜晶体管和第四薄膜晶体管,以及 还包括下拉单元和驱动单元。 由于移位寄存器单元包括下拉单元和驱动单元,当移位寄存器单元需要输出低电平时,可以确保输出门驱动信号稳定地保持在低电平,并且下拉 单元在交流信号的驱动下工作,这可以防止下拉单元的薄膜晶体管的阈值电压大大抵消。
    • 3. 发明申请
    • SHIFT REGISTER UNIT CIRCUIT, SHIFT REGISTER, ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY
    • 移位寄存器电路,移位寄存器,阵列基板和液晶显示
    • US20120293737A1
    • 2012-11-22
    • US13472719
    • 2012-05-16
    • Tianma LIXiaojing QI
    • Tianma LIXiaojing QI
    • G02F1/136G11C19/00
    • G09G3/3677G09G2300/0408G09G2300/0417G09G2310/0286G11C19/184G11C19/28
    • Embodiments of the disclosed technical solution provides a shift register unit circuit which operates based on two clock signals and comprises input terminals, a pre-charging circuit, a level pulling-down circuit, a outputting circuit and a scan signal output terminal. Embodiments of the disclosed technical solution also provides a shift register having at least two shift register unit circuits connected in cascade, and further provides a liquid crystal display array substrate and a liquid crystal display. The disclosed technical solution stabilizes the wave output from the scan signal output terminal and has small noise by means of a design of pulling down the level, and may realize the GOA circuit utilizing less TFTs circuits, so that the circuit structure is simple and power consumption is small.
    • 所公开的技术方案的实施例提供了一种基于两个时钟信号操作的移位寄存器单元电路,包括输入端子,预充电电路,电平下拉电路,输出电路和扫描信号输出端子。 所公开的技术方案的实施例还提供一种移位寄存器,其具有串联连接的至少两个移位寄存器单元电路,并且还提供液晶显示阵列基板和液晶显示器。 所公开的技术方案使得扫描信号输出端的波形输出稳定,并且通过下拉电平的设计具有小的噪声,并且可以利用较少的TFT电路实现GOA电路,使得电路结构简单且功耗 是小。
    • 5. 发明申请
    • AMOLED PANEL AND DRIVING CIRCUIT AND METHOD THEREFOR
    • AMOLED PANEL AND DRIVING CIRCUIT及其方法
    • US20120327064A1
    • 2012-12-27
    • US13529277
    • 2012-06-21
    • Xiaojing QIWen TAN
    • Xiaojing QIWen TAN
    • G09G3/32G06F3/038
    • G09G3/32G09G3/3233G09G2300/0819G09G2300/0852G09G2300/0861G09G2320/045
    • Embodiments of the present disclosure relates to an active matrix organic light emitting diode (AMOLED) panel and the driving circuit and method therefor. The driving circuit of the AMOLED panel comprises: a driving transistor; a first transistor; a second capacitor; an organic light emitting diode; a voltage adjustment module, which is connected to a first control signal terminal, a second control signal terminal and a high level signal terminal, and is connected with the second capacitor, the driving transistor and the first transistor, for adjusting a gate-source voltage of the driving transistor connected with the second capacitor, such that a driving current of the driving transistor in a saturation status is independent of its threshold voltage.
    • 本公开的实施例涉及有源矩阵有机发光二极管(AMOLED)面板及其驱动电路及其方法。 AMOLED面板的驱动电路包括:驱动晶体管; 第一晶体管; 第二电容器; 有机发光二极管; 连接到第一控制信号端子,第二控制信号端子和高电平信号端子的电压调节模块,并与第二电容器,驱动晶体管和第一晶体管连接,用于调节栅极 - 源极电压 与所述第二电容器连接的所述驱动晶体管,使得所述驱动晶体管的饱和状态的驱动电流与其阈值电压无关。
    • 6. 发明申请
    • SHIFT REGISTER UNIT, GATE DRIVING DEVICE AND LIQUID CRYSTAL DISPLAY
    • 移位寄存器单元,门驱动装置和液晶显示器
    • US20120105397A1
    • 2012-05-03
    • US13284191
    • 2011-10-28
    • Wen TANXiaojing QIWeiyun HUANG
    • Wen TANXiaojing QIWeiyun HUANG
    • G09G5/00G11C19/00G09G3/36
    • G09G3/3677G09G2310/0286
    • The present invention provides a shift register unit, a gate driving device and a liquid crystal display, wherein the shift register unit includes five thin film transistors. The drain of a first thin film transistor is connected to a first clock signal input terminal; the drain of a third thin film transistor is connected to the first clock signal input terminal, the gate thereof is connected to the gate of the first thin film transistor, and the source thereof is connected to a second signal output terminal. The shift register unit, the gate driving device and the liquid crystal display provided by the present invention separate the gate driving signal and the control signal for controlling the next neighboring shift register unit from each other, which can solve the problem that the accuracy of the gate driving signal is low due to the delay accumulation.
    • 本发明提供一种移位寄存器单元,栅极驱动器件和液晶显示器,其中移位寄存器单元包括五个薄膜晶体管。 第一薄膜晶体管的漏极连接到第一时钟信号输入端; 第三薄膜晶体管的漏极连接到第一时钟信号输入端,其栅极连接到第一薄膜晶体管的栅极,其源极连接到第二信号输出端子。 由本发明提供的移位寄存器单元,栅极驱动器件和液晶显示器将栅极驱动信号和用于控制下一个相邻移位寄存器单元的控制信号分开,从而可以解决下述问题: 门驱动信号由于延迟积累而为低电平。